Surgically removing part of the frontal lobe in one group of rats and comparing their behavior to the behavior of rats in a group that did not receive surgery is an example of a(n) ______ study.
A. correlational
B. experimental
C. case
D. survey
Answer: B
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Which statement is the best example of a macroenvironmental contributor to child abuse?
a. Many abusers are former abuse victims. b. Abuse is higher in transient and poor neighborhoods. c. The fact that difficult children are at risk for abuse. d. A society that promotes physical punishment tends to have higher incidences ofabuse.
Vitamins A, B-12, C, D, iron, and zinc are ______
vitamins micronutrients macrovitamins essential chemicals
If you want to make an educated guess about your child's adult height, at what age is the child at the 50% mark?
A) by 2 years of age B) by 4 years of age C) by 8 years of age D) by 16 years of age
Which of the following statements about body growth in early childhood is true?
A) On average, children add 1 to 2 inches in height and about 3 pounds in weight each year. B) Children add "baby fat" and gradually become heavier and more muscular. C) By age 5, children become more top-heavy, bowlegged, and potbellied. D) The rapid increase in body size of the first two years tapers off into a slower growth pattern.